git: openjdk/jdk: 8311074: RISC-V: Fix -Wconversion warnings in some code header files

[Fei Yang]

Changeset: 77e7b6d2
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2023-06-30 00:16:57 +0000
URL:       https://git.openjdk.org/jdk/commit/77e7b6d2a135ed46ba405914b4eea7412d887705

8311074: RISC-V: Fix -Wconversion warnings in some code header files

Reviewed-by: fyang, coleenp

! src/hotspot/cpu/riscv/continuationFreezeThaw_riscv.inline.hpp
! src/hotspot/cpu/riscv/frame_riscv.inline.hpp
! src/hotspot/cpu/riscv/stackChunkFrameStream_riscv.inline.hpp